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TBI滚珠丝杠SFNU/SFU1204/1604/2004/2504/2506/2508/3204螺杆*
25/ 20//sfnu/12sfni10丝杠/// 20丝504005螺杆/32滚珠/1604杆/
滚珠丝杠SFNU/SFU1204/1604/2004/2504/2506/2508/3204螺杆
TBI滚珠丝杠SFNU/SFU1204/1604/2004/2504/2506/2508/3204螺杆
丝杆供应b 精密滚珠螺杆 SFNU1604 生产